virt-df(1) on Linux
The text 930abee20f8b, as Debian 9 (Stretch) shipped it.
Display free space on virtual filesystems
Flags it lists
-
--add -
--connect -
--csv -
--domain -
--format -
--help -
--human-readable -
--inodes -
--one-per-guest -
--uuid -
--verbose -
--version -
-P -
-V -
-a -
-c -
-d -
-h -
-i -
-v -
-x